Avalanche 1500 2WD V8-5.3L (2008)
Muffler: Service and Repair
Muffler Replacement (1500 - w/RPOs LC9/LMG/LY5/L76)
Muffler Replacement (1500 - w/RPOs LC9/LMG/LY5/L76) (5.3L and 6.0L)
Tools Required
J 38185 Hose Clamp Pliers
Removal Procedure
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Disconnect the chassis wiring harness electrical connector (1) from the right rear wheel speed sensor wiring harness electrical connector (2).
3. If the vehicle is equipped with regular production option (RPO) Z55, disconnect the chassis wiring harness electrical connector (3) from the right
rear shock absorber.
4. If the vehicle is equipped with RPO Z55, disconnect the right rear air line from the shock absorber.
5. Remove the right rear wheel speed sensor wiring harness electrical connector clip from the frame.